/**
 * ***************************************************************************** Copyright (c) 2003,
 * 2006 Subclipse project and others. All rights reserved. This program and the accompanying
 * materials are made available under the terms of the Eclipse Public License v1.0 which accompanies
 * this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html
 *
 * <p>Contributors: Subclipse project committers - initial API and implementation
 * ****************************************************************************
 */
package org.tigris.subversion.subclipse.ui.actions;

import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.team.core.TeamException;
import org.tigris.subversion.subclipse.core.ISVNRemoteFolder;
import org.tigris.subversion.subclipse.core.ISVNRemoteResource;
import org.tigris.subversion.subclipse.core.SVNProviderPlugin;
import org.tigris.subversion.subclipse.ui.SVNUIPlugin;
import org.tigris.subversion.subclipse.ui.repository.RepositoryManager;

/** Paste remote resources to selected directory */
public class PasteRemoteResourceAction extends SVNAction {

  /* (non-Javadoc)
   * @see org.tigris.subversion.subclipse.ui.actions.SVNAction#execute(org.eclipse.jface.action.IAction)
   */
  protected void execute(IAction action) throws InvocationTargetException, InterruptedException {
    Clipboard clipboard = new Clipboard(getShell().getDisplay());
    final ISVNRemoteResource resource =
        (ISVNRemoteResource) clipboard.getContents(RemoteResourceTransfer.getInstance());
    clipboard.dispose();

    RepositoryManager manager = SVNUIPlugin.getPlugin().getRepositoryManager();
    final String message = manager.promptForComment(getShell(), new IResource[] {});

    if (message == null) return; // canceled

    ISVNRemoteResource selectedResource = getSelectedRemoteResources()[0];
    final ISVNRemoteFolder destination =
        (selectedResource.isFolder()
            ? (ISVNRemoteFolder) selectedResource
            : selectedResource.getParent());

    run(
        new IRunnableWithProgress() {
          public void run(IProgressMonitor monitor) throws InvocationTargetException {
            try {
              SVNProviderPlugin.getPlugin()
                  .getRepositoryResourcesManager()
                  .copyRemoteResource(resource, destination, message, monitor);
            } catch (TeamException e) {
              throw new InvocationTargetException(e);
            }
          }
        },
        true /* cancelable */,
        PROGRESS_BUSYCURSOR); //$NON-NLS-1$
  }

  /* (non-Javadoc)
   * @see org.eclipse.team.internal.ui.actions.TeamAction#isEnabled()
   */
  protected boolean isEnabled() {
    if (getSelectedRemoteResources().length != 1) return false;

    boolean result;
    Clipboard clipboard = new Clipboard(getShell().getDisplay());
    result = clipboard.getContents(RemoteResourceTransfer.getInstance()) != null;
    clipboard.dispose();
    return result;
  }
}
